Home / 91,631,545.67-126,454,027.43-49,818,424.43

Finding the Fourth Proportional to 91,631,545.67, 126,454,027.43 and 49,818,424.43

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Solution

The fourth proportional to 91,631,545.67, 126,454,027.43 and 49,818,424.43 is: 68,750,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,545.67 : 126,454,027.43 = 49,818,424.43 : x
  2. Step 2: Convert to fraction form
    91,631,545.67/126,454,027.43 = 49,818,424.43/x
  3. Step 3: Cross multiply
    91,631,545.67x = 126,454,027.43 × 49,818,424.43
  4. Step 4: Simplify right side
    91,631,545.67x = 6,299,740,409,831,283
  5. Step 5: Solve for x
    x = 6,299,740,409,831,283/91,631,545.67
  6. Step 6: Final answer
    x = 68,750,781.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.